<!DOCTYPE html>
<html>
    <head>
        <meta charset="utf-8" />
        <meta name="viewport" content="width=device-width, initial-scale=1">
        <title>local web-view</title>
        <style type="text/css">
            .btn {
                display: block;
                margin: 20px auto;
                padding: 5px;
                background-color: #007aff;
                border: 0;
                color: #ffffff;
                height: 40px;
                width: 200px;
            }

            .btn-red {
                background-color: #dd524d;
            }

            .btn-yellow {
                background-color: #f0ad4e;
            }

            .desc {
                padding: 10px;
                color: #999999;
            }
        </style>
    </head>
    <body>
        <p class="desc">web-view 组件加载本地 html 示例，仅在 App 环境下生效。点击下列按钮，跳转至其它页面。</p>
        <div class="btn-list">
            <button class="btn" type="button" data-action="navigateTo">navigateTo</button>
            <button class="btn" type="button" data-action="redirectTo">redirectTo</button>
            <button class="btn" type="button" data-action="navigateBack">navigateBack</button>
            <button class="btn" type="button" data-action="reLaunch">reLaunch</button>
            <button class="btn btn-red" type="button" data-action="switchTab">switchTab</button>
        </div>
        <!-- uni 的 SDK -->
        <script type="text/javascript" src="https://js.cdn.aliyun.dcloud.net.cn/dev/uni-app/uni.webview.0.1.52.js"></script>
        <script type="text/javascript">
            document.addEventListener('UniAppJSBridgeReady', function() {
                document.querySelector('.btn-list').addEventListener('click', function(evt) {
                    var target = evt.target;
                    if (target.tagName === 'BUTTON') {
                        var action = target.getAttribute('data-action');
                        switch (action) {
                            case 'switchTab':
                                uni.switchTab({
                                    url: '/pages/tabBar/API/API'
                                });
                                break;
                            case 'navigateBack':
                                uni.navigateBack({
                                    delta: 1
                                });
                                break;
                            default:
                                uni[action]({
                                    url: '/pages/component/button/button'
                                });
                                break;
                        }
                    }
                });
            });
        </script>
    </body>
</html>
